Clean Water Act discharge permit · NPDES MI0060276
MAYVILLE WWSL, Mayville, MI: NPDES MI0060276 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 22Pollutants under a numeric limit
- 2Pollutants with an effluent exceedance
- 1Inspections on file
- 0Formal enforcement actions
MAYVILLE WWSL, held by Village of Mayville, holds NPDES permit MI0060276, which discharges to Rich Intercounty Drain. EPA’s file records it issued March 26, 2021 and expiring October 1, 2025.
MAYVILLE WWSL, Mayville, Michigan: Individual permit MI0060276, held by Village of Mayville; Administratively continued (past its expiration date and still in force until reissued); issued March 26, 2021, term to October 1, 2025, by State; discharges to Rich Intercounty Drain; Sewage Treatment Facilities.
- Solids, total suspended: 4 limits, 3 violations of any kind, 3 effluent exceedances, latest April 30, 2024, largest 47% over the limit.
- BOD, 5-day, 20 deg. C: 2 limits, 3 violations of any kind, 3 effluent exceedances, latest April 30, 2024, largest 27% over the limit.
- Coliform, fecal general: 2 limits, 2 violations of any kind, 0 effluent exceedances.
- Solids, total: 3 limits, 0 violations of any kind, 0 effluent exceedances.
- Arsenic, dry weight: 3 limits, 0 violations of any kind, 0 effluent exceedances.
- Selenium, dry weight: 3 limits, 0 violations of any kind, 0 effluent exceedances.
- Copper, dry weight: 3 limits, 0 violations of any kind, 0 effluent exceedances.
- Cadmium, dry weight: 3 limits, 0 violations of any kind, 0 effluent exceedances.
- Nitrogen, total Kjeldahl: 3 limits, 0 violations of any kind, 0 effluent exceedances.
- Molybdenum, sludge, total, dry weight [as Mo]: 3 limits, 0 violations of any kind, 0 effluent exceedances.
- Zinc, sludge, total, dry weight [as Zn]: 3 limits, 0 violations of any kind, 0 effluent exceedances.
- Lead, sludge, total, dry weight [as Pb]: 3 limits, 0 violations of any kind, 0 effluent exceedances.
- Nickel, sludge, total, dry weight [as Ni]: 3 limits, 0 violations of any kind, 0 effluent exceedances.
- Nitrogen, sludge, total, dry weight [as N]: 3 limits, 0 violations of any kind, 0 effluent exceedances.
- Mercury, sludge, total, dry weight [as Hg]: 3 limits, 0 violations of any kind, 0 effluent exceedances.
- Potassium, sludge, total, dry weight [as K]: 3 limits, 0 violations of any kind, 0 effluent exceedances.
- Phosphorus, sludge, total, dry weight [as P]: 3 limits, 0 violations of any kind, 0 effluent exceedances.
- pH: 2 limits, 0 violations of any kind, 0 effluent exceedances.
- Nitrogen, ammonia total [as N]: 2 limits, 0 violations of any kind, 0 effluent exceedances.
- Phosphorus, total [as P]: 2 limits, 0 violations of any kind, 0 effluent exceedances.
- Flow, in conduit or thru treatment plant: 2 limits, 0 violations of any kind, 0 effluent exceedances.
- Oxygen, dissolved [DO]: 1 limit, 0 violations of any kind, 0 effluent exceedances.
- June 10, 2026: Letter of Violation/ Warning Letter (State).
- May 6, 2026: Evaluation (S).
- November 21, 2024: Reporting Violations - Late Submittal of DMRs (ST6).
- November 21, 2022: Reporting Violations - Late Submittal of DMRs (ST6).
- October 31, 2022: Reporting Violations - Late Submittal of DMRs (ST6).
- November 21, 2021: Reporting Violations - Late Submittal of DMRs (ST6).
- October 31, 2021: Reporting Violations - Late Submittal of DMRs (ST6).
- June 21, 2021: Reporting Violations - Late Submittal of DMRs (ST6).
MAYVILLE WWSL among its neighbors
EPA’s permit file holds 1 discharge permits in the Squaw Lake-Squaw Creek subwatershed (HUC 040802040205), MI0060276 among them.
Identity
| Facility as filed | MAYVILLE WWSL |
|---|---|
| Permittee as filed | Village of Mayville |
| NPDES ID | MI0060276 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | March 26, 2021 |
| Expiration date | October 1, 2025 |
| Issuing agency | State |
| Address | Mayville, MI 48744 |
| Receiving water | Rich Intercounty Drain |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Squaw Lake-Squaw Creek (HUC 040802040205) |
| NAICS | 221320 – Sewage Treatment Facilities |
| SIC | 4952 – Sewerage Systems |
Effluent limits and exceedances
- 22Pollutants on file
- 22Under a numeric limit
- 3With a violation of any kind
- 2With an effluent exceedance
An effluent exceedance is a discharge monitoring report value over the permit’s numeric limit (EPA’s violation code E90). A violation of any kind also counts a report not filed. Each row is EPA’s own count for that pollutant.
| Pollutant or measure | Limits | Violations, any kind | Effluent exceedances | Latest exceedance | Largest exceedance, as filed |
|---|---|---|---|---|---|
| Solids, total suspended | 4 | 3 | 3 | April 30, 2024 | 47% over the limit |
| BOD, 5-day, 20 deg. C | 2 | 3 | 3 | April 30, 2024 | 27% over the limit |
| Coliform, fecal general | 2 | 2 | 0 | ||
| Solids, total | 3 | 0 | 0 | ||
| Arsenic, dry weight | 3 | 0 | 0 | ||
| Selenium, dry weight | 3 | 0 | 0 | ||
| Copper, dry weight | 3 | 0 | 0 | ||
| Cadmium, dry weight | 3 | 0 | 0 | ||
| Nitrogen, total Kjeldahl | 3 | 0 | 0 | ||
| Molybdenum, sludge, total, dry weight [as Mo] | 3 | 0 | 0 | ||
| Zinc, sludge, total, dry weight [as Zn] | 3 | 0 | 0 | ||
| Lead, sludge, total, dry weight [as Pb] | 3 | 0 | 0 | ||
| Nickel, sludge, total, dry weight [as Ni] | 3 | 0 | 0 | ||
| Nitrogen, sludge, total, dry weight [as N] | 3 | 0 | 0 | ||
| Mercury, sludge, total, dry weight [as Hg] | 3 | 0 | 0 | ||
| Potassium, sludge, total, dry weight [as K] | 3 | 0 | 0 | ||
| Phosphorus, sludge, total, dry weight [as P] | 3 | 0 | 0 | ||
| pH | 2 | 0 | 0 | ||
| Nitrogen, ammonia total [as N] | 2 | 0 | 0 | ||
| Phosphorus, total [as P] | 2 | 0 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 0 | 0 | ||
| Oxygen, dissolved [DO] | 1 | 0 | 0 |
Inspections, violations and enforcement
- 6Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| November 21, 2024 | Reporting Violations - Late Submittal of DMRs | ST6 |
| November 21, 2022 | Reporting Violations - Late Submittal of DMRs | ST6 |
| October 31, 2022 | Reporting Violations - Late Submittal of DMRs | ST6 |
| November 21, 2021 | Reporting Violations - Late Submittal of DMRs | ST6 |
| October 31, 2021 | Reporting Violations - Late Submittal of DMRs | ST6 |
| June 21, 2021 | Reporting Violations - Late Submittal of DMRs | ST6 |
Inspections
| Date | What EPA recorded | Agency |
|---|---|---|
| May 6, 2026 | Evaluation | S |
Formal enforcement and penalties
0 formal actions, 0 of them with a penalty assessed. Federal and state penalties are separate figures from separate authorities and are shown as each was filed, never added together.
Informal enforcement
| Date | What EPA recorded | Agency |
|---|---|---|
| June 10, 2026 | Letter of Violation/ Warning Letter | State |
Watch this permit
One permit holder, $99/month. Watch the register for one permit holder and the places and receiving waters tied to its permits. Choose “One permit holder” and enter this permit’s NPDES ID, MI0060276.
Start the watch
- One permit holder — $99/month
- One watershed — $2,990/year
- One state — $4,990/year
- The whole register — $18,000/year
How we handle your data → Privacy
Nearby on the register
- Discharge permits in Mayville
- Every permit record in Mayville, A to Z
- Discharge permits in Michigan
- Every permit record in Michigan, A to Z
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.